body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,button,textarea,p,blockquote,th,td{ margin: 0; padding: 0;     padding: 0;}
body {
    font: 15px/150% Arial, "Microsoft YaHei", Verdana, "\5b8b\4f53";
    color: #666;
    background: #fff;
    /*overflow-y: hidden;*/
    /*overflow-x: hidden;*/
}
html ,body {    height: 100%;}